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Vicente León-Martínez, Elisa Peñalvo-López, Juan Ángel Sáiz-Jiménez and Amparo León-Vinet
Short-circuit resistances are transformer parameters that characterize the electrical load losses and correct operation of these machines. However, the traditional concept of short-circuit resistance, independent of the harmonic frequencies, has been sup...
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Ivan A. Hernandez-Robles, Xiomara Gonzalez-Ramirez, Juan C. Olivares-Galvan, Rafael Escarela-Perez and Rodrigo Ocon-Valdez
Designing and manufacturing transformers often involves variations in heights and thicknesses of windings. However, such geometric asymmetry introduces a significant impact on the magnitude of stray transformer losses. This study examines the effects of ...
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Haiping Si, Mingchun Li, Weixia Li, Guipei Zhang, Ming Wang, Feitao Li and Yanling Li
Apples, as the fourth-largest globally produced fruit, play a crucial role in modern agriculture. However, accurately identifying apple diseases remains a significant challenge as failure in this regard leads to economic losses and poses threats to food ...
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José García, Andres Leiva-Araos, Emerson Diaz-Saavedra, Paola Moraga, Hernan Pinto and Víctor Yepes
Water infrastructure integrity, quality, and distribution are fundamental for public health, environmental sustainability, economic development, and climate change resilience. Ensuring the robustness and quality of water infrastructure is pivotal for sec...
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David Lionel Bernal-Romero, Oscar Danilo Montoya and Andres Arias-Londoño
The problem of the optimal reactive power flow in transmission systems is addressed in this research from the point of view of combinatorial optimization. A discrete-continuous version of the Chu & Beasley genetic algorithm (CBGA) is proposed to mode...
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Karthikeyan Nainar and Florin Iov
Power-distribution grids consist of assets such as transformers, cables, and switches, of which the proper utilization is essential for the provision of a secure and reliable power supply to end customers. Distribution-system operators (DSOs) are respons...
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Piyapath Siratarnsophon, Vinicius C. Cunha, Nicholas G. Barry and Surya Santoso
The capability of routing power from one phase to another, interphase power flow (IPPF) control, has the potential to improve power systems efficiency, stability, and operation. To date, existing works on IPPF control focus on unbalanced compensation usi...
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Jorge Enrique Carrión González,Antonio A. Martínez García,Alfredo del Castillo Serpa,Orestes Hernández Areu,Marianela del Cisne Carrión González
Pág. 112 - 127
El uso de dispositivos basados en electrónica de potencia, los cuales son fuentes de distorsión armónica, conducen a las redes eléctricas a convertirse en receptores de estas tensiones y/o corrientes no-sinusoidales. Entre los equiposque han sufrido un i...
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N. Mbuli, A. Dyantyi, J.H.C. Pretorius
Transmission interconnecting lines (called interconnectors in this study) are built to facilitate the exchange of active and reactive power between two areas of a network. Step-up and step-down transformers are required at the ends of the interconnector ...
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Haonan Tian, Zhongbao Wei, Sriram Vaisambhayana, Madasamy Thevar, Anshuman Tripathi and Philip Kjær
Medium-frequency (MF) transformer has gained much popularity in power conversion systems. Temperature control is a paramount concern, as the unexpected high temperature declines the safety and life expectancy of transformer. The scrutiny of losses and th...
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